Finding the Fourth Proportional to 988,296.80, 1,363,864.70 and 580,407.26
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Solution
The fourth proportional to 988,296.80, 1,363,864.70 and 580,407.26 is: 800,970.89
Step by Step Solution
- Step 1: Write the proportion equation
988,296.80 : 1,363,864.70 = 580,407.26 : x - Step 2: Convert to fraction form
988,296.80/1,363,864.70 = 580,407.26/x - Step 3: Cross multiply
988,296.80x = 1,363,864.70 × 580,407.26 - Step 4: Simplify right side
988,296.80x = 791,596,968,169.42 - Step 5: Solve for x
x = 791,596,968,169.42/988,296.80 - Step 6: Final answer
x = 800,970.89
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.